Toothbrush



FIG. 1 is a perspective view of a toothbrush showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view of a toothbrush showing an alternative bristle configuration of our new design;

FIG. 6 is a top plan view thereof;

FIG. 7 is a side elevational view thereof, the opposite side being a mirror image; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a toothbrush, as shown and described. 